645528073 is an odd 9-digits composite number following 645528072
and preceding 645528074 . In scientific notation, it is written as 6.45528073 × 10^8.
The sum of its digits is 40. It has a total of 2 prime factors and 4 positive divisors.
There are 645477120 positive integers (up to 645528073) that are relatively prime to 645528073.
645528073 has 4 divisors, whose sum is 645579028
The reverse of 645528073 is 370825546
Previous prime number is 27361
Is Prime? no
Number parity odd
Number length 9
Sum of Digits 40
Digital Root 4
Name
six hundred forty-five million five hundred twenty-eight thousand seventy-three
Scientific notation
6.45528073 × 10^8
Engineering notation
6.45528073 × 10^6
Prime Factorization
27361 × 23593
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
645528073
Product of the distinct prime numbers
The prime factorization of 645528073 is 27361 × 23593.
Since it has a total of 2 prime factors.
6 , 7 , 20 , 57 , 910 , 806 , 296 , 2981 , 44041 , 89161 , 654601 , 515315 , 3030084 , 8715406 , 12903090 , 95263570 , 333121620 , 532177613 , 3809183821 , 3936974289
n×2
1291056146
n×3
1936584219
n×4
2582112292
n×5
3227640365
n÷2
322764036.5
n÷3
215176024.33333
n÷3
161382018.25
n÷5
129105614.6
n2
416706493031093329
n3
2.6899573945295E+26
n4
1.7364430133427E+35
n5
1.1209227122774E+44
2 √n
25407.244498371
3 √n
864.24798953146
4 √n
159.39650089751
5 √n
57.807345450618
4 divisors
τ
Total Divisors
4
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-645528072
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.25
Returns the sum of divisors (σ(n )) divided by the total number of divisors (τ(n ))
G
Geometric Mean
1
Returns the nth root of the product of n divisors
H
Harmonic Mean
4
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 645528073 can be divided by 4 positive divisors.
The sum of these divisors (counting 645528073) is 1, the average is 0.25.
Base
System
Value
2
Binary
100110011110011111101000001001
3
Ternary
1122222200020001011
4
Quaternary
212132133220021
5
Quinary
2310223344243
6
Senary
144015523521
8
Octal
4636375011
10
Decimal
645528073
12
Duodecimal
1602295a1
16
Hexadecimal
2679fa09
20
Vigesimal
a1eb03d
36
Base36
aobwnd
md5
f2d9b0b24c8a668140920e792122f00c
sha1
e429e8407faad272e01650420e63b6611955921e
sha256
f45594c0501041d37df1880abcd4210365505f571f4054ca16aba3c4d7096b0c
sha512
db0990ca1c36bcdf01acc90a8ebc44bfd7ba76f9b9b3c98fb047d33648cae15c7e7735c4973a1e08de35bc7e065978a20f0192eba4e74059988157402606c693
ripemd-160
3dd1194ee8852526a75170e9676eb04b897b472a
Diameter
1291056146
Circumference
4055972503.6456
Area
1.3091220572096E+18
Volume
1.1267667185498E+27
Surface area
5.2364882288386E+18
Circumference
4055972503.6456
Perimeter
2582112292
Area
416706493031093329
Diagonal
912914555.72917
Surface area
2500238958186559974
Volume
2.6899573945295E+26
Space diagonal
1118087420.148
Perimeter
1936584219
Area
1.8043920444342E+17
Altitude
559043710.07402
Surface area
1.8043920444342E+17
Volume
3.1701451912912E+25
Height
304304851.90972